Theories of love are found in the works of scientists, philosophers, and theologians.

Not to engage in this pursuit of ideas is to live like ants instead of like men.

All genuine learning is active, not passive. It involves the use of the mind, not just the memory. It is a process of discovery, in which the student is the main agent, not the teacher.

Erotic or sexual love can truly be love if it is not selfishly sexual or lustful.

Freedom is the emancipation from the arbitrary rule of other men.

One of the embarrassing problems for the early nineteenth-century champions of the Christian faith was that not one of the first six Presidents of the United States was an orthodox Christian.

More consequences for thought and action follow the affirmation or denial of God than from answering any other basic question.

In the case of good books, the point is not to see how many of them you can get through, but how many can get through to you.

A good book can teach you about the world and about yourself. You learn more than how to read better; you also learn more about life. You become wiser.

To agree without understanding is inane. To disagree without understanding is impudent.

The ultimate end of education is happiness or a good human life, a life enriched by the possession of every kind of good, by the enjoyment of every type of satisfaction.

We are kept keen on the grindstone of pain and necessity.

Even if you love a lady, don't say you will take care of her while someone else is catering for your needs.

Death is just a comma to a Christian, not a period.

People also leave presence in a place even when they are no longer there.

The weaker the man in authority... the stronger his insistence that all his privileges be acknowledged.

The Golden Rule works like gravitation.

It has everything to do with being a good human being. A good person. A good friend.

Books give not wisdom where none was before. But where some is, there reading makes it more.

The act of philosophizing involves the character of the philosopher.

I often think of myself as the discoverer-in-chief.